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三相四线的漏保不接零线可以吗
更新时间: 2020-09-16 00:00:00  

不接零线三相四线漏电保护器也能正常工作,但只能起到三相漏保的作用。正常工作时,三根火线流入的电流矢量和等于流出的零线电流,电流互感器的次级没有电流。如果不接零线,就会有剩余电流,电流互感器次级就会感应出电流,容易推动脱扣机构动作,空开跳闸。

关键词: 三相 可以

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